Home / 19,109.70-28,663.50-5,960.55

Finding the Fourth Proportional to 19,109.70, 28,663.50 and 5,960.55

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Solution

The fourth proportional to 19,109.70, 28,663.50 and 5,960.55 is: 8,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.70 : 28,663.50 = 5,960.55 : x
  2. Step 2: Convert to fraction form
    19,109.70/28,663.50 = 5,960.55/x
  3. Step 3: Cross multiply
    19,109.70x = 28,663.50 × 5,960.55
  4. Step 4: Simplify right side
    19,109.70x = 170,850,224.93
  5. Step 5: Solve for x
    x = 170,850,224.93/19,109.70
  6. Step 6: Final answer
    x = 8,940.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.